I'd like some opinions on this if possible! The first photo below is of the inside of a Deda Zero100 stem the i stripped to inspect due to occasional creaking. I don't think there's any doubt this is cracked! I bought it second hand in January, that's a lesson learned!

This next photo is of an ITM super over stem that's had maybe 18 months of use that I have just dug out of the spares to replace the Deda for now. This also has a similar line also on the lower part of the stem-both have been run negative rise. I'm not sure if this is a crack or not? But concerned due to the Deda above.

Has anyone had similar experiences with these stems? I like the Zero100 and tempted to just order another but I'm extremely concerned now!!

Thing is is I'm a weedy 65kg and 5ft7 on a good day! The Deda was paired with a Zero 100 bar and I went for this setup due to a good reputation. I'd really like to keep my cockpit all the same if possible, and I like the 82degree angle. Have I just been unlucky? Both stems are 110mm

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